Year	Dollars
1992-01-01	1938643
1997-01-01	4161419
2002-01-01	2378370
2003-01-01	3077982
2004-01-01	3030554
2005-01-01	3981460
2006-01-01	3594463
2007-01-01	6274017
2008-01-01	5339767
2009-01-01	3599864
2010-01-01	13576783
2011-01-01	16291477
2012-01-01	14240058
2013-01-01	8411488
2014-01-01	8041697
2015-01-01	6891132
2016-01-01	5745696